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BUILT-IN MATHEMATICA SYMBOL

TransformationFunctions

TransformationFunctions
is an option for Simplify and FullSimplify which gives the list of functions to apply to try to transform parts of an expression.

The default setting TransformationFunctions->Automatic uses a built-in collection of transformation functions.

TransformationFunctions->{Automatic, f₁, f₂, ...} uses built-in transformation functions together with the functions .

Specify that Simplify should use

as the only transformation:

Here Simplify uses both

and all built-in transformations:

By default FullSimplify does not use Reduce:

Specify that FullSimplify should use Reduce with respect to

over the real domain: